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  1. 04.5-05 LLY Duramax Powertrain
    I first had it occure on the 5th of July when pulling my trailer up a 6% grade. Trailer is 5th wheel and around 12,000 lbs. It's a longer pull (3 miles ish with corners). Tow haul mode on and overdrive disabled to keep it in 4th with over 2000 rpms. Usually I pull this hill at 55 mph. Full...
  2. Alternative Fuels Diesel Additives Lubricants
    About to make a big order online. What's the best additive out there? I was gonna see what Amsoil had to offer but was curious about others as well.
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